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This post was last edited by ttmmm0530 on 2024-9-15 at 17:30. Ten years of remarkable progress in chemical technology – let’s celebrate the prosperity and strength of modern China. This is just a starting point; more participation from everyone will make things even more lively. Haichuan becomes even better with you here; we welcome everyone to engage more in discussions on this forum. Be careful with fire as the heat increases in July. --------------------------------------------- On February 9, 2023, 12 special graphite heat exchangers made of impregnated PTFE, each with a surface area of 25 square meters, were successfully delivered to their respective customers. These heat exchangers were independently developed, designed, manufactured, and tested by Yikoside Graphite Technology (Jiangsu) Co., Ltd. The special graphite heat exchangers delivered this time are made from micron-level, highly refined graphite, and were designed, manufactured, and inspected in accordance with the standards \"Technical Requirements for Chemical Equipment Made of Impervious Graphite\" (HG/T2370-2017) and \"Pressure Vessels Made of Graphite\" (GB/T21432-2008). After more than 100 repeated tests and technical improvements over 2 years, Ecosd Graphite Technology successfully overcame technical barriers in March 2021. It developed independently special PTFE-impregnated graphite heat exchange equipment that can compete with international advanced standards and is suitable for use in the high-end pharmaceutical and chemical industries, thus filling a gap in the domestic market. Currently, this device has been successfully applied in the corresponding operating conditions. It is stated that, compared to ordinary graphite heat exchangers, this PTFE-impregnated special graphite heat exchanger boasts greater corrosion resistance and higher temperature tolerance, and is capable of withstanding harsh conditions such as extreme vacuum and negative pressure.